not able to Send mail due to Security Issue Post: 302341605

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Operating Systems Linux Red Hat not able to Send mail due to Security Issue Post 302341605 by smartgupta on Thursday 6th of August 2009 09:12:16 AM

08-06-2009

Registered User

I am using sendmail 8.12.9+Sun.When I am trying to send mail a mail using

Quote:

#echo "Test mail"|mailx -s "welcome to Solaris" abc@xyz.com
#

it is execuitng sucessfully but when I am seeing the /var/log/syslog file,then It showing the error--

Quote:

/etc/mail/aliases.db out of date

Aug 6 15:51:33 mgsun sendmail[823]: [ID 801593 mail.notice] n76ALXfa000823: <Sang@mgsun>... User unknown

Aug 6 15:51:33 mgsun sendmail[813]: [ID 801593 mail.info] n76ALXZo000813: to=Sang, delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=31096, relay=[127.0.0.1] [127.0.0.1], dsn=5.1.1, stat=User unknown

00823: from=<>, size=1096, class=0, nrcpts=0, proto=ESMTP, daemon=MTA, relay=localhost [127.0.0.1]

00813: n76ALXZp000813: return to sender: User unknown
Aug 6 15:51:33 mgsun sendmail[823]: [ID 801593 mail.info] n76ALXfc000823: from=<>, size=3566, class=0, nrcpts=1, msgid=<200908061021.n76ALXZp000813@mgsun>, proto=ESMTP, daemon=MTA, relay=localhost [127.0.0.1]

Aug 6 15:51:33 mgsun sendmail[813]: [ID 801593 mail.info] n76ALXZp000813: to=postmaster, delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=32120, relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent (n76ALXfc000823 Message accepted for delivery)

Aug 6 15:51:33 mgsun sendmail[824]: [ID 702911 mail.info] alias database /etc/mail/aliases.db out of date

Aug 6 15:51:33 mgsun sendmail[824]: [ID 801593 mail.info] n76ALXfc000823: to=root, delay=00:00:00, xdelay=00:00:00, mailer=local, pri=33739, dsn=5.3.0, stat=unknown mailer error 5
Aug 6 15:51:33 mgsun sendmail[824]: [ID 801593 mail.info] n76ALXfc000823: n76ALXfY000824: postmaster notify: unknown mailer error 5

Aug 6 15:51:33 mgsun sendmail[824]: [ID 801593 mail.info] n76ALXfY000824: to=root, delay=00:00:00, xdelay=00:00:00, mailer=local, pri=31024, dsn=5.3.0, stat=unknown mailer error 5
Aug 6 15:51:33 mgsun sendmail[824]: [ID 801593 mail.info] n76ALXfY000824: n76ALXfZ000824: return to sender: unknown mailer error 5

Aug 6 15:51:33 mgsun sendmail[824]: [ID 801593 mail.info] n76ALXfZ000824: to=root, delay=00:00:00, xdelay=00:00:00, mailer=local, pri=31024, dsn=5.3.0, stat=unknown mailer error 5

Aug 6 15:51:33 mgsun sendmail[824]: [ID 801593 mail.alert] n76ALXfY000824: Losing ./qfn76ALXfY000824: savemail panic

Aug 6 15:51:33 mgsun sendmail[824]: [ID 801593 mail.crit] n76ALXfY000824: SYSERR(root): savemail: cannot save rejected email anywhere

Please help me to resolve it.

Thanks in advance..

smartgupta

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LEARN ABOUT DEBIAN

sensible-mda

SENSIBLE-MDA(8) 					      System Manager's Manual						   SENSIBLE-MDA(8)

NAME

       sensible-mda - a generic local MDA router for Debian systems

SYNOPSIS

       sensible-mda from to detail client-addr

DESCRIPTION

       sensible-mda  is used to simplify the installation and configuration of sendmail(8) , or other MTAs for use on Debian systems.  With sensi-
       ble-mda, sendmail can support a plethora of MDAs (procmail, maildrop, deliver, etc.) without having  pick any one of them as required.

FUNCTION

       sensible-mda is called by sendmail as a local mailer when the following exists in sendmail.mc:
       define(`LOCAL_MAILER_ARGS', `sensible-mda $g $u $h ${client_addr}')dnl

       sensible-mda will look for the following MDAs (in this order), and pass the mail on to the first SUID MDA found (Or first found MDA, if run
       w/euid=root): procmail(1), maildrop(1), deliver(8), mail.local(8)

OPTIONS

       Available command line options are the following:

       from   The sender of this email (sendmail $g variable)

       to     The recipient of this email (sendmail $u variable)

       detail The detail portion of the recipient userid (sendmail $h variable) - ie:
	      cowboy+sendmail@debian.org

       client-addr
	      TCP/IP address of the sender (sendmail ${client_addr} variable) Not used (for the nonce)

FILES

       /etc/mail/sendmail.mc
	      sendmail m4 input to generate sendmail.cf

       /etc/mail/sendmail.cf
	      actual sendmail configuration file (treated as a binary file)

SEE ALSO

       sendmail(8), procmail(1), maildrop(1), deliver(8), mail.local(8)

BUGS

       None known so far.

AUTHOR

       Richard Nelson <cowboy@debian.org>

HISTORY

4th Berkeley Distribution					  October 21 1999						   SENSIBLE-MDA(8)